What does IBAC stand for?

Caligula - the Poisoner - the Hun - the Emperor - Initials that form the name of the villain in "Captain Marvel" comic strip and indicate the sources of his power

Identity Based Access Control (SAUS)

In-Band, Adjacent Channel (SAUS)

Information Bulletin of Australian Criminology - A publication

Instantaneous Broadcast Audience Counting (IAA)

International Bullet and Ammunition Company (SAUO)

International Business Aviation Council (EA)